What is the definition of non anticipative function and non anticipative Riemann sum approximation?











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I am reviewing my stochastic lectures, but I cannot understand the definition quiet well.



"Non-anticipative Riemann sum approximations stochastic integrals are Itô integrals of predictable step functions."



So what does this mean?










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    up vote
    0
    down vote

    favorite












    I am reviewing my stochastic lectures, but I cannot understand the definition quiet well.



    "Non-anticipative Riemann sum approximations stochastic integrals are Itô integrals of predictable step functions."



    So what does this mean?










    share|cite|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I am reviewing my stochastic lectures, but I cannot understand the definition quiet well.



      "Non-anticipative Riemann sum approximations stochastic integrals are Itô integrals of predictable step functions."



      So what does this mean?










      share|cite|improve this question













      I am reviewing my stochastic lectures, but I cannot understand the definition quiet well.



      "Non-anticipative Riemann sum approximations stochastic integrals are Itô integrals of predictable step functions."



      So what does this mean?







      probability






      share|cite|improve this question













      share|cite|improve this question











      share|cite|improve this question




      share|cite|improve this question










      asked Nov 18 at 14:43









      Min Liu

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